Experts believe that safety is the back bone and corner stone of HSE and believe that improving safety on its own is guarantee of achieving the other objectives of the HSE. Accordingly, safety includes extensive concept that consist of all issues related to health, environment, quality,technical inspection and …… in general.
Therefore, Bam Farayand System company by introducing greatly to safety engineering issues as the main part of HSE, to provide application services in this area. The rapid process of science progress and industry production in the field of safety engineering led a wide range of various services and expertises in this area to be used. Nowadays, most sophisticated engineering discussions in safety engineering is to be used.Bam Farayand System company provide specialized services of safety engineering. Ablitiy of specialized teams is related to experience and technical expertise and we realize these key principles. We assure you that we are constantly looking for the best because we believe : "You Deserve The Best"

Hazard identification is the foundation of the next steps in safety engineering issues. Currently, issues related to hazards identification often reffered and examined with risk assessment issues at once, but this subject should not reduce the importance and bold role of hazards identification in a successful risk management plan. After the complete and successful identification of all hazards, qualitative and semi-quantitative of risk assessment are used to deterine risk hazards and advance risk management programs.
What is important in the risk assessment is symmetry between assessment method with characteristics, nature and studied organizations and facilities characteristics.
Complete ignorance of different ways, taking in to account non-technical and non-scientific critria, prevalence false believes in the field of risk assessment. Many other things caused risk assessment process that were carried out sometimes were not effective as expected and did not meet expectations.
It should be noted that the most important voucher factor in successful risk assessment after select proper method and complete and comprehensive acquaintance with method is recognition of characteristics and strengths and weaknesses using skilled personnel of each operational unit in its risk assessment and doing risk assessment programs, with respect to the resulted outputs of risk assessment.
Safety engineering department of Bam Farayand System company, by using skilled and experineced personnel in the field of identifying hazards and risk assessment, is ready to providing these services in a full specialized form. This company consider hazard identification and risk assessment based on these methods :
It sholud be explained that currently, this company with respect to industires’ requirements specially oil industry, design a modern and combinational method in risk assessment by using international and reference standards that consider hazard identification issues and risk assessments in pre-startup and startup steps in a fully specialized way. As a result, the quite successful sample of this method was carried out in phase 12, South Pars offshores that was be a fully successful and unique experience in this field in Iran.
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Study of big and famous events proves that most of them were not only preventable but also foreseeable, provided that safety engineering analysis including hazard identification, consequence modeling and risk assessment in discussed facilities were done on time and based on it, safety protection layers were considered in plan.
Modeling of consequences of release of hazardous fluids is inseprable component of all process hazard management plans. The most important application of consequences modeling in industrial units, is determining of the range of evenets effectiveness on process equipment and people (staff working in sightly industrial unit and those based out of the unit)
Bam Farayand System company, served as technical engineering company, have significant experiences in the field of hazard consequence assessment by using worst-case modeling, specific factors of workplace and reducing effect options.
Accoridngly, our service in this section covers a wide range of engineering programs which are necessary considered according ro each situation existing inindustries and safety level of equipments. Overally, safety engineering modeling is done in three main sections :
Modeling of fire consequence
Modeling of gas release and dispersion
Modeling of explosion

qualitative risk assessment is one of the most sophisticated and specialized issues in safety engineering. In this field, a major part of main expertises and safety engineering subtypes have joined to create the desired putput. Quantitative risk assessment is in fact complement of consequence simulation studies and uses output of these studies as its input. Multiple applications of quantitative risk assessment and cosequence simulation have been led this topic have special place in safety engineering issues, including offered service in this field that can be noted as follows :
Plant layout & sitting
Emergency Response Planning
Determination of position of fixed and portable buildings
Locating and determining the appropriate places to install gas and fire detection equipment (fire and gas detector)
Fire proofing
Determine the impacted area, restricted area and fire zones
Consider the effect of possible events on citizens and equipment and assets around the industrial environment

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(LOPA) layer of protection analysis
Layer of protection analysis is a semi-quantitative risk assessment that is used for analysing the extent of effectiveness of independent protection layer which exist in progress, against the identified hazards and if exist IPLs are not effective, new IPLs are identified and determine the level of these new layers’ reliability.
Protection layers are a group of equipment or controls that do some specified actions in the extent of abnormal conditions in the process which can lead to process disordering and incident occurrence. Some protective layers that have feature like accessibility, independence reliability and ispection capability are defined as independent protection layers (IPL). Among the IPLs, one can note the design standard methods, the obstacles and walls, warning systems which along with operator reaction, control and pressure reduction tools, ESD and SIS systems.
Independent protection layers (IPL) of process is determined in accordance with IEC 61511 standard. The order of use these protection layers are identified as ‘’onions’’ LOPA. It is clear that use of all these protective layers for detected possible accidents scenarios simultaneously. Logically, economic and safety is unacceptable, therefore IEC 61511 standard introduces LOPA method that risk is controlled systematically based on severtity and the probabalitiy of its occurrence.
In fact LOPA is an economical solution that can reduce available risk level to an acceptable extent based on it and finally the residual risk is accepted.
LOPA can be used any where in the project and system life. But the most effective way to use it in two post-design process (before the project) or at the facilities that are in operation. Basically, LOPA is done after a qualitative risk assessment and complete it.
Pre-Startup Safety Review (PSSR)
Pre-startup safety review is a kind of safety studies that is done before set up a factory, plant or new or modified equipment. PSSR is done in order to ensure compliance with the facilities with original design and operational goals before set up that by using this, all possible that are made due to changes during project making and accurate engineering design phase, are investigated and assessed again.
These studies also investigate the compliance what is done with standards as well as philosophy and project details. In other words, PSSR guarantee the readiness extent of unit and process facilities to set up. In addition to equipments, PSSR also covered procedures and training and also investigate them. PSSR’s guide is usually provided as part of the pre-startup/startup evidences. Importance of PSSR studies implementation is to the extent that in majority of industrial advanced countries, implementation of these studies before systems set up is necessary and has legal requirements. For example, in the US, in section 12 of process safety management (PSM), the need to apply this method to all the changes in processes and procedures is emphasized. Also in Iran, recently, guidelines to implement these studies,before facilities set up are provided and imparted by order of the minister of oil in all major and minor projects of oil ministry.

PSSR goals:
Ensure that installed euipment is operating in accordance with the original design and operating goal.
Ensure that safety, maintenance and guidelines foe emergency response are properly settled and have required sufficient.
Ensure that proper safety studies during engineering phase (HAZOP studies, modeling studies and ….) are done and all operating items are completed.
Ensure that site reformation during production phase os controlled and considered properly.
Ensure that the training of each included employees in operational process is completed.
In addition, PSSR plays an important role in large projects and this means that factory operators have authority to accept or reject responsibility for a plant or equipment that recognized in unsafe PSSR study.

The main activities carried out in the PSSR project:
Following activities in PSSR are done in coordination with contractor and the employer:
Doing some necessary arrangements for the participation of knowledgeable personnel of contractor and employer in PSSR
Technical review of documents and studied site from technical and HSE view.
Consider and verify that all the buildings and equipment in accordance with the rules and standards of healthm safety and environment.
Implementation of all the reform proceeding outlined in PSSR studies
Complete reform proceedings item after startup
Sign PSSR check list by representative of project employer in order to confirm factory setup
PSSR documentation

Given the necessity of small and large companies attention to the importance of these studies and legal requirement related to PSSR implementation, Bam Farayand System company proceed to provide services related to consulting and service implementation of PSSR professionally.
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